Komatsu WA20-2, Operation & Maintenance Manual

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7. PRECAUTIONS DURING OPERATION
 WARNING: For reasons of safety, always
follow these safety precautions.
A0055060
VENTILATION FOR ENCLOSED AREAS
‡ If it is necessary to start the engine within an enclosed area, provide adequate ventilation. Exhaust
fumes from the engine can KILL.
PRECAUTIONS FOR MIRRORS, WINDOWS AND LIGHTS
‡ Remove all dirt from the surface of the windows and lights to ensure that you can see well.
‡ Adjust the side mirror so that you can see clearly from the operator’s seat, and always keep the
surface of the mirror clean. If any glass is broken, replace it with a new part.
‡ Check that the head lamps and working lamps light up properly.
CHECK MACHINE
‡ Before starting the engine, adjust the operator’s seat so that you can carry work easily and in
comfort.
If the operator’s seat is not properly adjusted, it will cause mistaken operation and fatigue, with
the danger that this will cause an accident.
‡ Adjust the seat so that you can operate the control levers and pedals properly with your back
against the seat back.
Adjustment of operator’s seat
➞
See “ 12.1.3 ADJUSTMENT BEFORE OPERATION ”.
‡ Before starting the engine, check that the safety lock levers are at the LOCK position.
‡ Before starting the engine, always carry out the walk-around check, checks before starting, and
operations and checks before starting the engine.
Walk-around check
➞
See “ 12.1.1 WALK-AROUND CHECK ”.
Checks before starting
➞
See “ 12.1.2 CHECK BEFORE STARTING ”.
Operations and checks before starting engine
➞
See “ 12.1.4 OPERATIONS AND CHECKS BE-
FORE STARING ENGINE. ”.
Carry out the above checks and check that there is no abnormality. If there is damage which can not
be repaired, attach the warning tag to the work equipment control lever.